When Japanese automaker Mazda debuted the fourth-generation Mazda3 in 2019, it came with the brand's Skyactiv-X engine. This revolutionary powerplant combines the attributes of spark ignition and ...
Creativity flows from the smallest of automakers: The SkyActiv-X engine compresses gasoline until it self-combusts. It uses ultra-lean air/fuel mixtures, low enough to sometimes need a spark plug to ...
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